Please help#
only 3.1 guys please help me​

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr